DUS-1209G roll-rate sensor for AP-34B autopilot on Mi-8/Mi-17 helicopters || Aviamisto
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gyro sensor

DUS 1209G

Warranty:6 Months
Condition:New
Price on request
Price on request

Description

DUS 1209G roll-rate sensor is installed in the automatic flight control systems of Mi-8/Mi-17 helicopter variants, including Mi-8T, Mi-8MT, Mi-8AMT, Mi-8MTV-1 and Mi-17. The unit converts angular roll rate into a proportional electrical signal, enabling the AP-34B autopilot to stabilize roll attitude, damp oscillations and reduce pilot workload during dynamic flight.

The sensor forms part of the roll control channel and delivers a continuous feedback signal to avionics modules, including amplification units and control processors. By measuring the rate of roll and transmitting it in real time, the DUS-1209G allows the autopilot to counteract perturbations instantly, contributing to smoother handling, controlled turns and stable hover.

The device is powered from the aircraft’s 36-V, 400-Hz three-phase AC supply. It is classified as aviation technical equipment and designed for installation in avionics compartments operating under aircraft environmental conditions.

Alternate Designations:
The DUS 1209G roll-rate sensor may also appear as:
DUS-1209G, DUS1209G, DUS-1209-G, ДУС-1209Г, ДУС1209Г
All references denote the same component.

Details

Purpose: Convert roll angular velocity to electrical control signal
Systems: AP-34B automatic flight control, roll stabilization channel
Application: Mi-8, Mi-8T, Mi-8MT, Mi-8AMT, Mi-8MTV-1, Mi-17
Product Type: Roll-rate gyro sensor
Rotor Speed: 20,000 ±1,000 rpm
Power Supply: 36 V AC, 400 ±8 Hz, three-phase
Current Consumption: ≤0.5 A
Output Signal at ±15°/s: ≤10 V
Weight: ≤0.8 kg
Category: Aviation Technical Equipment (ATE)
Precious Metals: According to manufacturer passport
Mounting: Avionics compartment / autopilot bay
Condition: As applicable
Documentation: Passport and operating records

Payment & delivery

All shipments are carried out from our international warehouse in Dubai (UAE), as well as from our partners’ remote warehouses.

In Stock — items available in stock at the Dubai warehouse are dispatched within 5–10 business days after receiving 100% prepayment.

Remote Stock — items available at our partners’ remote warehouses are supplied within an average of 30–45 business days after receiving 100% prepayment.

Pre-Order — made-to-order products are manufactured and delivered within an average of 45–60 business days. Payment terms: 50% advance payment to start production, with the remaining 50% paid before dispatch from the Dubai warehouse after full readiness for shipment.

Returns & Changes (Restocking Fee)
For selected items, a RESTOCKING FEE of 10% may apply in case of return, order cancellation, or changes to the order specifications. This condition applies only to certain products and is confirmed at the order approval stage.

Warranty
All products are covered by a standard 6-month warranty.
Extended warranty is available upon request and is agreed individually; it may affect the final product price.

  • Description
  • Details
  • Payment & delivery

DUS 1209G roll-rate sensor is installed in the automatic flight control systems of Mi-8/Mi-17 helicopter variants, including Mi-8T, Mi-8MT, Mi-8AMT, Mi-8MTV-1 and Mi-17. The unit converts angular roll rate into a proportional electrical signal, enabling the AP-34B autopilot to stabilize roll attitude, damp oscillations and reduce pilot workload during dynamic flight.

The sensor forms part of the roll control channel and delivers a continuous feedback signal to avionics modules, including amplification units and control processors. By measuring the rate of roll and transmitting it in real time, the DUS-1209G allows the autopilot to counteract perturbations instantly, contributing to smoother handling, controlled turns and stable hover.

The device is powered from the aircraft’s 36-V, 400-Hz three-phase AC supply. It is classified as aviation technical equipment and designed for installation in avionics compartments operating under aircraft environmental conditions.

Alternate Designations:
The DUS 1209G roll-rate sensor may also appear as:
DUS-1209G, DUS1209G, DUS-1209-G, ДУС-1209Г, ДУС1209Г
All references denote the same component.

Purpose: Convert roll angular velocity to electrical control signal
Systems: AP-34B automatic flight control, roll stabilization channel
Application: Mi-8, Mi-8T, Mi-8MT, Mi-8AMT, Mi-8MTV-1, Mi-17
Product Type: Roll-rate gyro sensor
Rotor Speed: 20,000 ±1,000 rpm
Power Supply: 36 V AC, 400 ±8 Hz, three-phase
Current Consumption: ≤0.5 A
Output Signal at ±15°/s: ≤10 V
Weight: ≤0.8 kg
Category: Aviation Technical Equipment (ATE)
Precious Metals: According to manufacturer passport
Mounting: Avionics compartment / autopilot bay
Condition: As applicable
Documentation: Passport and operating records

All shipments are carried out from our international warehouse in Dubai (UAE), as well as from our partners’ remote warehouses.

In Stock — items available in stock at the Dubai warehouse are dispatched within 5–10 business days after receiving 100% prepayment.

Remote Stock — items available at our partners’ remote warehouses are supplied within an average of 30–45 business days after receiving 100% prepayment.

Pre-Order — made-to-order products are manufactured and delivered within an average of 45–60 business days. Payment terms: 50% advance payment to start production, with the remaining 50% paid before dispatch from the Dubai warehouse after full readiness for shipment.

Returns & Changes (Restocking Fee)
For selected items, a RESTOCKING FEE of 10% may apply in case of return, order cancellation, or changes to the order specifications. This condition applies only to certain products and is confirmed at the order approval stage.

Warranty
All products are covered by a standard 6-month warranty.
Extended warranty is available upon request and is agreed individually; it may affect the final product price.

Didn’t find the parts you need? Contact us — we will assist in sourcing them.

Send your request — we will provide availability, lead time, pricing, and delivery details.
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